Mineral Information and Data:

Mannardite
BaxTi8-2xV3+2xO16 • 2-xH2O [CNMNC approved formula]

Named for George William Mannard (1932-1982), formerly President of Kidd Creek Mines, Ltd., Toronto, Canada.

IMA status : Approved Species 1986 ()
CLASSIFICATION 
Dana
(8th edition) :
07.09.05.01  
  (07) Multiple Oxides
  (07.09)
  (07.09.05)
  
Nickel-Strunz
(10th edition) :
04.DK.05
  (04) Oxides and Hydroxides
  (04.D) Metal:Oxygen = 1:2 and similar
  (04.DK) With large (+- medium-sized) cations; tunnel structures
  
Crystal system: Tetragonal System
Point group (H-M): 4/m — dipyramidal
  
  
  

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